UNC/WN5/FN5/DN5
OKIFAX 5700/5900
A3 - 42
A3.4
UNC, WN5, FN5 and DN5 Circuit Diagram
The NCU board is selected from UNC, WN5, FN5 and DN5 because it differs depending on
country’s specifications. Therefore, the NCU circuit diagram is destined for the following
countries.
•
UNC circuit diagram
US and Canada.
•
WN5 circuit diagram
Sweden, Finland, The Netherlands, Ireland, Portugal, New Zealand, Australia, Belgium,
Spain, Greece, Norway, Denmark, Italy, and other countries.
•
FN5 circuit diagram
France and UK
•
DN5 circuit diagram
Germany, Switzerland and Austria.
1.
Block diagram
•
Figure A3.4.1 shows a block diagram of UNC circuit.
•
Figure A3.4.2 shows a block diagram of WN5 circuit.
•
Figure A3.4.3 shows a block diagram of FN5 circuit
•
Figure A3.4.4 shows a block diagram of DN5 circuit.
2.
General functions of this circuit are as follows:
1)
Generates and detects signals to be exchanged with a telephone exchange or
network in Phases A and E defined by ITU T.30.
•
Loop formation for call origination
•
Line current detection (see note 1) before call origination
•
Dial tone detection (see note 1)
•
Generation of dial pulses (see note 2)
•
Busy tone detection (see note 1)
•
Ringing signal detection
2)
Sends various data and signals from the R51 board to the telephone line after
amplification.
•
Picture data/Protocol/Tonal signals/PB tone, etc.
3)
Sends the following signals received from the line to the R51 board as data
after amplification.
•
Picture data/Protocol/Tonal signals, etc.
Note 1: This procedure may be omitted depending on the dial parameters.
Note 2: MF (Multi-frequency) tone is generated by the modem and transferred
to the telephone line via the NCU board.
Содержание OKIFAX OF5900
Страница 6: ...CHAPTER 1 GENERAL INFORMATION...
Страница 90: ...CHAPTER 2 INSTALLATION PROCEDURE...
Страница 102: ...OKIFAX 5700 5900 2 12 3 Document stacker Hang the document stacker onto hanging position...
Страница 204: ...OKIFAX 5700 5900 2 114 Typical Transmission flow...
Страница 205: ...OKIFAX 5700 5900 2 115 Typical Reception flow...
Страница 210: ...CHAPTER 3 BRIEF TECHNICAL DESCRIPTION...
Страница 218: ...CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY...
Страница 223: ...OKIFAX 5700 5900 4 5 Appearance of the OKIFAX 5700 5900...
Страница 248: ...CHAPTER 5 ADJUSTMENTS...
Страница 252: ...CHAPTER 6 CLEANING AND MAINTENANCE...
Страница 278: ...CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIFAX 5700 5900...
Страница 326: ...Appendix A PC Board Descriptions and Operation FirstEdition February 1999 Oki Data Corporation...
Страница 390: ...C34 OKIFAX 5700 5900 A3 40 IC201 Pin Assignment...
Страница 405: ...Appendix B DescriptionsofPrintOperation ThirdEdition December 1998 Oki Data Corporation...
Страница 427: ...Appendix C Not used at this time...
Страница 430: ...OKIFAX 5700 5900 D 1 Section 1 CABINET ASSEMBLY...
Страница 432: ...OKIFAX 5700 5900 D 3 Section 2 CONTROL PANEL ASSEMBLY...
Страница 434: ...OKIFAX 5700 5900 D 5 Section 3 PRINTER ASSEMBLY 53 54...
Страница 437: ...OKIFAX 5700 5900 D 8 Section 4 BASE ASSEMBLY...
Страница 439: ...OKIFAX 5700 5900 D 10 Section 5 FRAME ASSEMBLY SCANNER L...
Страница 441: ...OKIFAX 5700 5900 D 12 Section 6 FRAME ASSEMBLY SCANNER U...
Страница 443: ...OKIFAX 5700 5900 D 14 Section 7 CABLES OPTION BOARDS...
Страница 445: ...Appendix E Not used at this time Oki Data Corporation...
Страница 446: ...Appendix F Not used at this time Oki Data Corporation...
Страница 447: ...Appendix G PC Loading FirstEdition February 1999 Oki Data Corporation...
Страница 465: ...Appendix H RMCS SYSTEM MANUAL For Model 30 FirstEdition Oki Data Corporation...
Страница 466: ......